/*
 * Copyright 2006-2008 Michele Mostarda ( michele.mostarda@gmail.com ).
 * All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.graphnav.swing.event;

import org.graphnav.swing.Node;

/**
 * Interface implemented by a widget providing
 * editing capabilities on <i>nodes</i> and <i>arcs</i>.
 */
public interface EditingListener {

    /**
     * Editing completed with success.
     */
    public void editingSucceded();

    /**
     * Editing operation rejected.
     */
    public void editingRejected();

    /**
     * Object deletion completed with success.
     */
    public void deletionSucceded();

    /**
     * A <i>node</i> requires the addition of an <i>arc</i>.
     * 
     * @param fromNode
     */
    public void addArcRequired(Node fromNode);

    /**
     * A <i>node</i> requires the addition of an <i>arc</i>.
     *
     * @param fromNode
     * @param toNode
     * @param arcData
     */
    public void addArcRequired(Node fromNode, Node toNode, Object arcData);

}
